#include<iostream>
#include<stdio.h>
#include<string.h>

char left[3][7], right[3][7], result[3][7];

bool isLight( char x )
{
	int i;
	for( i = 0; i < 3; i++ )
	{
		switch(result[i][0])
		{
			case 'u':if( strchr( right[ i ], x ) == NULL )return false;
					 break;
			case 'e':if( strchr( right[ i ], x ) != NULL || strchr( left[ i ], x ) != NULL )return false;
					 break;
			case 'd':if( strchr( left[ i ], x ) == NULL )return false;
					 break;
		}
	}
	return true;
}

bool isHeavy( char x )
{
	int i;
	for( i = 0; i < 3; i++ )
	{
		switch( result[ i ][ 0 ] )
		{
			case 'u':if( strchr( left[ i ], x ) == NULL )
					 return false;
					 break;
			case 'e':if( strchr( right[ i ], x ) != NULL || strchr( left[ i ], x ) != NULL )
					 return false;
					 break;
			case 'd':if( strchr( right[ i ], x ) == NULL )
					 return false;
					 break;
		}
	}
	return true;
}

int main()
{
	int n;
	int i;
	char c;
	scanf( "%d", &n );
	while( n -- )
	{
		for( i = 0; i < 3; i++ )
			scanf( "%s %s %s", left[ i ], right[ i ], result[ i ] );
		for( c = 'A'; c <= 'L'; c++ )
		{
			if( isLight( c ) )
			{
				printf( "%c is the counterfeit coin and it is light.\n", c );
				break;
			}
			if( isHeavy( c ) )
			{
				printf( "%c is the counterfeit coin and it is heavy.\n", c );
				break;
			}
		}

	}
	return 1;
}